import java.util.HashSet;
import java.util.Set;


public class CRemoveDupInt {
	private static void removedup(int[] arr_int){
		//Set<Integer> setInt = new HashSet(Arrays.asList(arr_int));
		/*for(Integer setObj:setInt){
			System.out.println(setObj);
		}*/

		Set<Integer> setInt = new HashSet<Integer>();
		for (int i = 0; i < arr_int.length; i++)
			setInt.add(Integer.valueOf(arr_int[i]));
		for(Integer setObj:setInt){
			System.out.println(setObj);
		}
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		//int[] arrInt = new int[10];
		int[] arrInt = {1,3,2,4,5,6,7,2,3,3};
		removedup(arrInt);
		
		
	}	

}
